diff --git a/examples/aishell3/vits-vc/conf/default.yaml b/examples/aishell3/vits-vc/conf/default.yaml
index 88f978cdb..c71e071d2 100644
--- a/examples/aishell3/vits-vc/conf/default.yaml
+++ b/examples/aishell3/vits-vc/conf/default.yaml
@@ -146,7 +146,7 @@ cache_generator_outputs: True # whether to cache generator outputs in the traini
 ###########################################################
 #                  DATA LOADER SETTING                    #
 ###########################################################
-batch_size: 64              # Batch size.
+batch_size: 50              # Batch size.
 num_workers: 4              # Number of workers in DataLoader.
 
 ##########################################################
diff --git a/examples/aishell3/vits-vc/run.sh b/examples/aishell3/vits-vc/run.sh
index 2cc378016..70eface9f 100755
--- a/examples/aishell3/vits-vc/run.sh
+++ b/examples/aishell3/vits-vc/run.sh
@@ -3,7 +3,7 @@
 set -e
 source path.sh
 
-gpus=0,1
+gpus=0,1,2,3
 stage=0
 stop_stage=100
 
diff --git a/examples/aishell3/vits/conf/default.yaml b/examples/aishell3/vits/conf/default.yaml
index 5354066f3..bc0f224d0 100644
--- a/examples/aishell3/vits/conf/default.yaml
+++ b/examples/aishell3/vits/conf/default.yaml
@@ -145,7 +145,7 @@ cache_generator_outputs: True # whether to cache generator outputs in the traini
 ###########################################################
 #                  DATA LOADER SETTING                    #
 ###########################################################
-batch_size: 64              # Batch size.
+batch_size: 50              # Batch size.
 num_workers: 4              # Number of workers in DataLoader.
 
 ##########################################################
diff --git a/examples/aishell3/vits/run.sh b/examples/aishell3/vits/run.sh
index ffffa52a9..157a7d4ac 100755
--- a/examples/aishell3/vits/run.sh
+++ b/examples/aishell3/vits/run.sh
@@ -3,7 +3,7 @@
 set -e
 source path.sh
 
-gpus=0,1
+gpus=0,1,2,3
 stage=0
 stop_stage=100
 
diff --git a/examples/csmsc/vits/run.sh b/examples/csmsc/vits/run.sh
index c284b7b23..74505d9b9 100755
--- a/examples/csmsc/vits/run.sh
+++ b/examples/csmsc/vits/run.sh
@@ -3,7 +3,7 @@
 set -e
 source path.sh
 
-gpus=0,1
+gpus=0,1,2,3
 stage=0
 stop_stage=100